publication agreement number 40050880 March - April 2016 Recreational Aircraft Association Canada www.raa.ca The Voice of Canadian Amateur Aircraft Builders $6.95 From The features President’s Desk Glass or Steam: Traditional vs EFIS / JC Audet ..................................................................................................................4 Gary Wolf RAA 7379 Where Is Your Aero Centre? Aero Centre, Weight and Balance, and how it affects flight safety / Frank Gue .........................................8 Vans Rear Wing Spar Bulletin – Do exchange program. Rotax will act as a regional editor to source Man Was Meant To Fly Not ignore supply a kit of parts gratis, and the tech articles and lead stories from by Barry Meek ......................................................................................................................................11 Vans Aircraft has issued a “Before old parts must be returned. Labour the West. Please call the office at Further Flight” Service Bulletin will be reimbursed up to a maximum 800-387-1028 or email to garywolf@ Preciptiation near 0° Celcius 16-03-28 to alert pilots and builders of $550, and must be performed by a rogers.com . Karolina Utko........................................................................................................................................15 of the possibility of rear spar cracks Rotech approved Service Facility or in all models except the RV-12. by a Rotech approved Independent Lawrence Shaw Airspeed vs Angle of Attack The Bulletin describes “Cracking Maintenance Technician. Many years ago Lawrence Shaw Does it Matter? / by JC Audet ................................................................................................................18 of wing aft spar web at the inboard A special tool is required and it went across this country meeting aileron hinge bracket attach rivets. will be sent out on a deposit, with with local flying and building clubs, Comco Ikarus 2 In addition, for RV-10 and RV- the deposit being reimbursed when and signing them up to form what A new fly-away that's surprisingly affordable / by Gary Wolf ................................................................22 14/14A aircraft, there is a potential the tool has been returned. Details has become your National organi- for cracking of the flange bends of are at www.rotech.ca . zation. Besides this, Lawrence has 3D Printing for Amateur Built? the inboard aileron hinge brackets.” The program begins immedi- built a Smith Miniplane and his A sea change in how things are made / by George Gregory ...................................................................34 Go to the http://www.vansair- ately and there is no expiry date. own version of the Wheeler Express, craft.com/ website for the 14 page Contact [email protected] or 250-260- both outstanding examples of what Bulletin that describes inspections, 6299 in Vernon BC. an amateur builder with determina- stop drilling, and adding doublers, tion can accomplish. etc. Help Wanted from the West Life moves on and Lawrence is columns If you live in BC or Alberta you will now selling his lifetime accumula- From the President's Desk / Gary Wolf .......................................................................................................2 Rotax 912IS Stator Recall likely have noticed that there is fre- tion of parts and materials so that he The new Rotax 912IS engine which quently a lack of articles from your can clean house before moving. His Bifold Hangar Door Tune-Up / Gary Wolf ................................................................................................12 has electronic fuel injection must area. It is not that there is no activity, extensive list is in this issue's classi- Strength and Vacuum Bagging / J-F Alexandre .......................................................................................16 have its stator replaced. There are rather that few write about it. The fied ads. Riveted Joints / Chris Heintz ....................................................................................................................20 some twenty of these engines cur- cost to fly someone from Ontario to Classified ................................................................................................................................................38 rently in Canada and a list of their gather articles several times per year Across Canada: Chapters in Action ..........................................................................................................40 serial numbers is available on the is out of the question, so it falls to http://www.rotax-owner.com/ yourselves to do this. website, along with details of the RAA is asking for someone to The Recreational Aircraft Emails can be sent to President Gary to the aerospace sciences. The intention Association Canada Wolf at: [email protected] and of the magazine is to promote educa- George Gregory at gregdesign@telus. tion and safety through its members to 22-4881 Fountain St. North net. the general public. Opinions expressed Breslau RR2 Ontario N0B 1M0 The Recreational Flyer is published bi- in articles and letters do not necessarily Telephone: 519-648-3030 monthly by the Recreational Aircraft reflect those of the Recreational Aircraft Member's Toll Free line: Association Publishing Company, Association Canada. Accuracy of the 1-800-387-1028 Waterloo Airport, Breslau, ON N0B material presented is solely the respon- 1M0. The Recreational Flyer is devoted sibility of the author or contributor. George Gregory An Estra 500 at Arlington, 2014 On the cover: Comco's Ikarus. Gustavo Corujo photo. worth in excess of $80k. This aircraft It is very easy to spend in the Glass or now costs $130k but the owner would never get close to that. order of $30,000.00 and more Steam? When considering these cock- pits, we should look at three distinct aspects: the flight instruments, the on the instrument panel of radio stack, and the other gadgets. Deciding what's best for your The world is changing, our flying an Amateur Built aircraft baby's cockpit / by JC Audet environment is changing, the regu- lations are changing, the airspace is changing, and on, and on. What serves us best in our cockpit? ADS-B is about to hit us. My current of an airliner, and the number and Let’s first look at the radios. Not radio stack is all Narco purchased complexity of the systems on board, much has changed in voice com- new in 1990 and still working like and the miles of wiring, it becomes munications in a long while and I new. Although next time that I have to readily apparent that this new tech- honestly do not expect much change spend significant money on my radio nology can bring about some very THE MODERN COCkPIT has given way to glass panels in that respect that will impact us sig- stack, I will have no choice but to con- significant savings in the empty and an assortment of electronic gizmos. Most are typically nificantly in the future. On the other sider the new technology. weight of the aircraft, yielding an high quality designs and do the job they are supposed to hand, when it comes to navigation, a I suppose before getting into the equivalent increase in payload. The do. But they are also expensive. It is very easy to spend lot has changed with the widespread really heavy stuff, we might as well maintenance aspect of the same air- in the order of $30,000.00 and more on the instrument use of GPS and its wonderful features. be done with my third aspect of the craft is realistically improved by that panel of an Amateur Built aircraft. This can be considered The typical ground based navigation cockpit: the other gadgets, or engine same technology, again yielding better relatively low cost in a Lancair Evolution, but in the typi- aids such as NDB, VOR, and DME instruments and other instruments dispatch reliability and reduced costs. cal A-B it is rather pricey. These cockpits also make use of that we all learned to know and love and indicators that pilots like to have. Or consider a modern fighter aircraft complex technology. The integrated cockpit provides an are disappearing in the name of cost Some manufacturers offer sensational like the F-18 for instance (not so new enormous amount of information to the pilot, useful or savings. GPS does it all and is gradu- equipment to allow a homebuilder to anymore, one might argue). The pilot otherwise. The cost of these systems is driven in part by the ally replacing all these navaids, and have a massive amount of informa- of such a platform could not derive sheer number of sensors spread around the airframe, all of quite rapidly. It seems like only the tion at the touch of a button, and all its necessary maneuverability and its which have to be converted and integrated in some form ILS might survive, and only for a in a very small instrument. This is incredible performance without this Photo Credits: Zenair of flight computer that in turn processes all this data and limited time I’d bet. Definitely, if one an absolute space saver and a major advanced technology. When we think feeds the glass panels, according to what the pilot wants to prefer the good old round dials, the steam gauges if you needs to acquire radios and naviga- advantage when space is at a pre- of the many tasks the F-18 pilot has to see on that panel. As many users have come to know, any prefer. I like to fly an airplane, not an airborne computer. tion equipment, the wise choice is to mium, as is typically the case in our perform at